Display apparatus and transport apparatus including same

Abstract

According to an embodiment of the present disclosure, there may be provided a display device including: a display panel configured to display an image; a front member on a front surface of the display panel; a first support member on a rear surface of the display panel; and a second support member on a rear surface of the first support member, where the display panel and the first support member may have a first hole.

Description

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to Korean Patent Application No. 10-2023-0098981, filed on Jul. 28, 2023, which is hereby incorporated by reference for all purposes as if fully set forth herein. Technical Field

[0003] Embodiments of the present disclosure relate to a display device and a transportation device including the display device. Background Art

[0004] With the advancement of technology, display devices can be applied not only to smartphones, laptops, etc., but also to transportation equipment including automobiles.

[0005] Widely used display devices can provide a shooting function and various sensing functions in addition to an image display function. To this end, the display device is equipped with an optical module such as a camera and a sensor.

[0006] Therefore, in order to include the optical module in the display device, the optical module is disposed at the edge of the display panel of the display device, and thus the display device including the optical module has a problem of having to be larger in size due to the physical size of the optical module. For this reason, there are significant limitations in designing display devices for various applications. Summary of the invention

[0007] One object to be achieved by embodiments of the present disclosure is to provide a display device in which the width of a non-display area of ​​a display panel can be reduced by providing an optical module overlapping the display panel.

[0008] Another object to be achieved by the embodiments of the present disclosure is to provide a display device in which an optical module is stably combined by providing a structure combined with the optical module.

[0009] The purpose of the present disclosure is not limited to the above-mentioned problems, and other problems not mentioned above will be clearly understood by those skilled in the art from the following description.

[0010] A display device according to one or more embodiments of the present disclosure may include: a display panel configured to display an image; a front member on a front surface of the display panel; a first supporting member on a rear surface of the display panel; and a second supporting member on a rear surface of the first supporting member. The display panel and the first supporting member may have a first hole.

[0011] According to the present disclosure, a display device having a hole formed in a display panel and including an optical module support structure around the hole formed in the display panel is provided. Since the optical module support structure is disposed around the hole formed in the display panel and the optical module is coupled to the optical module support structure around the hole formed in the display panel, the optical module can be formed to overlap with the display panel. Therefore, the size of the non-display area (or frame area) of the display panel can be reduced.

[0012] According to the present disclosure, it is possible to provide a display device in which an optical module is stably incorporated by providing a structure for incorporating the optical module.

[0013] According to the present disclosure, a fastening structure for fastening an optical module (e.g., a light receiving device such as a camera, a sensor, etc.) to a display device can be integrated with a supporting structure for supporting a rear surface of a display panel, thereby simplifying the structure of the display device and reducing the number of components. Therefore, a display device capable of optimizing a process and reducing weight can be provided, and a uni-materialization effect can be obtained.

[0014] The effects of the present disclosure are not limited to the above-mentioned effects, and other effects not mentioned above will be clearly understood by those skilled in the art from the following description. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The interior space of a transportation device according to one embodiment of the present disclosure is shown.

[0016] Figure 2 An internal space of a transportation device according to another embodiment of the present disclosure is shown.

[0017] Figure 3 The interior space of a transportation device according to yet another embodiment of the present disclosure is shown.

[0018] Figure 4 is an exploded perspective view of a display device according to an embodiment of the present disclosure.

[0019] Figure 5 is a front view of a display device according to an embodiment of the present disclosure.

[0020] Figure 6 is a rear view of a display device according to an embodiment of the present disclosure.

[0021] Figure 7 A fastening structure in a display device according to an embodiment of the present disclosure is shown.

[0022] Figure 8 and Fig. 9A fastening structure for an optical module according to an embodiment of the present disclosure is shown.

[0023] Fig.10 is a cross-sectional view of a display device according to an embodiment of the present disclosure.

[0024] Fig.11 is a cross-sectional view of a display area in a display device according to an embodiment of the present disclosure.

[0025] Fig.12 The structure of an organic light emitting element in a display device according to an embodiment of the present disclosure is shown. DETAILED DESCRIPTION

[0026] The advantages and features of the present disclosure and their implementation methods will be explained by the following embodiments described with reference to the accompanying drawings. However, the present disclosure can be implemented in different forms and should not be interpreted as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided so that the present disclosure will be thorough and complete, and will fully convey the scope of the present disclosure to those skilled in the art. In addition, the present disclosure is limited only by the scope of the claims.

[0027] In addition, the shapes, sizes, ratios, angles, quantities, etc. shown in the drawings used to describe the embodiments of the present disclosure are only examples, and the present disclosure is not limited thereto. Throughout the specification, the same reference numerals represent the same elements. In the following description, when the detailed description of the related known technology is determined to be unnecessary to obscure the subject matter of the present disclosure, the detailed description will be omitted.

[0028] Terms such as "including," "having," "comprising," "consisting of," "composed of," etc. used herein are generally intended to allow for the addition of other components unless these terms are used with the term "only." Singular forms used herein are intended to include plural forms unless the context clearly indicates otherwise.

[0029] When explaining any element or feature of the embodiments of the present disclosure, it should be understood that any dimensions and relative sizes include a tolerance or error range even when not specifically described.

[0030] Spatially relative terms such as "on", "above", "above", "below", "below", "lower", "upper", "adjacent", "near", "close" and the like used in this document to describe the relationship of one element or feature to another element or feature are generally intended to allow one or more additional elements to be interposed between the elements, unless terms such as "directly", "immediately" and the like are used.

[0031] When using terms such as "first", "second", etc. to describe various elements or components in this article, it should be considered that these elements or components are not limited by these terms. These terms are only used in this article to distinguish one element from other elements. Therefore, the first element mentioned below can be the second element in the technical concept of the present disclosure.

[0032] Throughout the specification, the same reference numerals refer to the same elements.

[0033] As those skilled in the art can fully understand, the features of the various embodiments of the present disclosure can be combined or combined with each other in part or in whole, and can interoperate and drive technology differently from each other. The embodiments of the present disclosure can be performed independently of each other, or can be performed together in a mutually dependent relationship.

[0034] The term "display device" as used herein may include a display device in a narrow sense including a display panel and a driver for driving the display panel, such as a liquid crystal module (LCM), an organic light emitting display module (OLED module), a quantum dot module, etc. The term "display device" may also include a notebook computer, a television set, a computer monitor, an equipment display including a car display or other in-vehicle displays, a complete set of electronic devices or a complete set of devices or a complete set of equipment such as a mobile electronic device (e.g., a smart phone, an electronic tablet, etc.), etc., which are complete products or final products including an LCM, an OLED module, a QD module, etc.

[0035] Therefore, the term "display device" used herein may include the display device itself in a narrow sense, an application product including the display device in a narrow sense, or even a complete set of devices as devices for end consumers. Hereinafter, embodiments of the present disclosure will be described in detail with reference to the accompanying drawings.

[0036] Figure 1 The interior space of a transportation device according to one embodiment of the present disclosure is shown.

[0037] The transportation equipment according to the embodiment of the present disclosure may include a vehicle, etc., but the embodiment of the present disclosure is not limited thereto. The present disclosure will be described by way of an example of a vehicle.

[0038] Reference Figure 1 The interior space 100 may include a driver's seat DS, a passenger seat PS, a dashboard 110 , a steering handle 120 , and a rearview mirror 130 .

[0039] The instrument panel 110 may include a first area A1 corresponding to a driver seat (DS) space, a second area A2 corresponding to a passenger seat (PS) space, and a third area A3 corresponding to a space between the driver seat DS and the passenger seat PS. Each area of ​​the instrument panel 110 may include at least one Figure 4 The display device 200 shown. For example, the display device 200 may be installed in the dashboard 110 of the transportation equipment. The display device 200 installed in the dashboard 110 may provide driving information and other information to each of the driver and the co-driver.

[0040] Therefore, the areas of the instrument panel 110 may have different sizes. Since the areas of the instrument panel 110 have different sizes, the user of the transportation equipment can optimally use the transportation equipment. The first area A1 and the second area A2 of the instrument panel 110 may be smaller than the third area A3 of the instrument panel 110. The display device 200 installed in the instrument panel 110 may have a curved exterior. The instrument panel 110 may have a T-shape. When the instrument panel 110 has a T-shape, a user sitting on a back seat of the transportation equipment can better see the display device 200 of the instrument panel 110.

[0041] The display device 200 corresponding to each area of ​​the instrument panel 110 may have a hole therein. The display device 200 may include an optical module. The hole in the display device 200 may be used as a path through which the optical module provided on the rear surface of the display device 200 transmits or receives light. The instrument panel 110 may include a first hole H1 in a first area A1, a second hole H2 in a second area A2 different from the first area A1, and a third hole H3 in a third area A3 between the first area A1 and the second area A2.

[0042] In addition to the instrument panel 110 , the steering wheel 120 and the rearview mirror 130 may also have a steering wheel hole 120 h and a rearview mirror hole 130 h , respectively.

[0043] The display device 200 installed in the instrument panel 110 may include an instrument panel corresponding to the driver's seat DS and displaying various instruments required for driving, and a central instrument panel and a central information display (CID) located between areas corresponding to the driver's seat DS and the front passenger seat PS and providing various information to the driver and the front passenger, but the embodiments of the present disclosure are not limited to this.

[0044] Figure 2 An internal space of a transportation device according to another embodiment of the present disclosure is shown.

[0045] Reference Figure 2The instrument panel 110 may include a fourth area A4 corresponding to the driver seat (DS) space, and a fifth area A5 corresponding to the space between the driver seat DS and the passenger seat PS and the passenger seat (PS) space. The fourth area A4 may be smaller than the fifth area A5.

[0046] The display device 200 corresponding to the fourth area A4 (see Figure 4 ) may have a fourth hole H4. The display device 200 corresponding to the fifth area A5 (see Figure 4 ) may have a fifth hole H5 and a sixth hole H6. For example, the display device 200 may have one or more holes. If the display device 200 has one or more holes, a single display device 200 may be used by multiple users of the transportation equipment, so the display device 200 may be manufactured to have a large area. In one embodiment, the dashboard 110 may include a single display device 200 corresponding to both the driver space and the co-pilot space. For example, the display device 200 may be integrally provided in the dashboard 110 without distinguishing between the fourth area A4 and the fifth area A5.

[0047] Figure 3 The interior space of a transportation device according to yet another embodiment of the present disclosure is shown.

[0048] Reference Figure 3 , the interior space 100 of the transportation equipment may include a seventh area A7 corresponding to the rear of the headrest DSH of the driver's seat DS and an eighth area A8 corresponding to the rear of the headrest PSH of the passenger seat PS. The display device 200 corresponding to the seventh area A7 (see Figure 4 ) may have a seventh hole H7, and the display device 200 corresponding to the eighth area A8 (see Figure 4 ) may have an eighth hole H8. The display device 200 corresponding to the seventh area A7 or the eighth area A8 may provide various information to a user sitting on the left rear seat LR or the right rear seat RR.

[0049] The above embodiments are not limited to the contents disclosed in the present disclosure. Figure 3 Each of the display devices 200 including the seventh hole H7 and corresponding to the seventh area A7 and the display device 200 including the eighth hole H8 and corresponding to the eighth area A8 is shown, but a single display device 200 including both the seventh area A7 corresponding to the rear of the driver's seat DS and the eighth area A8 corresponding to the rear of the passenger seat PS can be conceived.

[0050] Each of the first to eighth holes H1 to H8 may be a hole through which the optical module is fastened to Figure 4 The area below the display panel 210 is shown. Figure 4Describing the optical module. The first hole H1 to the eighth hole H8 may have the same size and shape, or at least one of these sizes and shapes may be different. For example, the first hole H1 to the eighth hole H8 may have the same or substantially the same fastening structure, and the optical module is fixed (fastened) to the lower portion of the display panel 210 by the fastening structure. In the following description, the optical module fastening structure related to the first hole H1 will be described by way of an example of the first hole H1 among the first hole H1 to the eighth hole H8.

[0051] Figure 4 is an exploded perspective view of a display device according to an embodiment of the present disclosure.

[0052] Reference Figure 4 , the display device 200 may include a display panel 210 , a front member 300 , a first support member 400 , a printed circuit board 500 , and a flexible film 510 .

[0053] The flexible film 510 may be bonded to one surface of the display panel 210. The flexible film 510 may include various components disposed on a flexible base film and supply signals to pixels and driving components in the display panel 210. The flexible film 510 may electrically connect the printed circuit board 500 to the display panel 210.

[0054] The display panel 210 may include a display area displaying an image and a non-display area around the display area.

[0055] The printed circuit board 500 is a component for supplying signals to a driver integrated circuit (IC), and various components for supplying various signals to the driver IC may be provided in the printed circuit board 500. The printed circuit board 500 may be connected to the display panel 210 through the flexible film 510, and may be Figure 4 The printed circuit board 500 is shown disposed on one side of the display panel 210. Alternatively, the printed circuit board 500 may be disposed on the rear surface of the display panel 210 through a flexible film 510 that is bent.

[0056] although Figure 4 Two flexible films 510 and one printed circuit board 500 are illustrated, but the embodiments of the present disclosure are not limited thereto, and the numbers of the flexible films 510 and the printed circuit board 500 may vary according to design.

[0057] The first support member 400 may be disposed on the rear surface of the display panel 210. The first support member 400 may serve to support or protect the display panel 210 on the rear surface of the display panel 210. Since the first support member 400 has a shape corresponding to the planar shape of the display panel 210, it may cover the display panel 210.

[0058] The first support member 400 may be made of a material that is rigid and has high thermal conductivity. For example, the first support member 400 may be made of a metal material such as aluminum (Al), copper (Cu), zinc (Zn), silver (Ag), gold (Au), iron (Fe), stainless steel (SUS) or invar, or a plastic material, but the embodiments of the present disclosure are not limited thereto.

[0059] The optical module 600 may be disposed on the rear surface of the first supporting member 400. The optical module 600 may be any component that performs a function using light. For example, the optical module 600 may be a camera module. However, the embodiments of the present disclosure are not limited thereto, and the optical module 600 may also be an illumination sensor, a fingerprint sensor, etc.

[0060] The display panel 210 may have a (1-1) hole 210h, and the first support member 400 may have a (1-2) hole 400h.

[0061] The (1-1) hole 210h and the (1-2) hole 400h may overlap each other. The size of the (1-1) hole 210h and the size of the (1-2) hole 400h may be the same. Alternatively, the size of the (1-1) hole 210h and the size of the (1-2) hole 400h may be different from each other to maximize the function of the optical module 600 disposed on the rear surface of the first supporting member 400.

[0062] The front member 300 may be disposed on the front surface of the display panel 210. The front member 300 may be used to protect the display panel 210 from external impacts and may transmit light emitted from the display panel 210. The front member 300 may be disposed to overlap with the display panel 210 and cover the entire surface of the display panel 210. The front member 300 may be a cover glass, a window cover, or a cover window, but the embodiments of the present disclosure are not limited thereto.

[0063] The front member 300 may be used to protect the display panel 210. In order to maintain the rigidity of the front member 300 and prevent the display panel 210 from being exposed to the outside, holes such as the (1-1) hole 210h and the (1-2) hole 400h may not be included, but the embodiments of the present disclosure are not limited thereto. For example, the front member 300 may have a hole overlapping the (1-1) hole 210h and the (1-2) hole 400h to maximize the performance of the optical module 600 disposed on the rear surface of the display panel 210.

[0064] The light passing through the (1-1) hole 210h and the (1-2) hole 400h may include at least one of visible light, infrared light, and ultraviolet light, but the embodiments of the present disclosure are not limited thereto.

[0065] Due to the nature of the transport equipment, the display panel 210 included in the transport equipment may be exposed to a high temperature or high humidity environment for a long time or subjected to repeated physical impacts. To this end, the display panel 210 and the front member 300 included in the transport equipment may be made of a stretchable and / or shrinkable material. In addition, the elongation of the display panel 210 may be the same as the elongation of the front member 300, but the embodiments of the present disclosure are not limited thereto.

[0066] Figure 5 is a front view of a display device according to an embodiment of the present disclosure.

[0067] Figure 6 is a rear view of a display device according to an embodiment of the present disclosure.

[0068] Reference Figure 5 , the display device 200 may include a display panel 210 and a front member 300. The display panel 210 may completely overlap the front member 300. For example, the size of the front member 300 may be greater than the size of the display panel 210.

[0069] The display device 200 may have the first hole H1. Although the present disclosure has been described by an example in which the display device 200 is disposed in the first area A1, embodiments of the present disclosure are not limited thereto.

[0070] like Figure 4 As shown, the first hole H1 may include a (1-1) hole 210h and a (1-2) hole 400h. Figure 5 As shown, when viewed from the front view, the first hole H1 may be formed at the center of the display panel 210 with respect to the x direction of the display panel 210, or may be formed close to one edge of the display panel 210 with respect to the length direction of the display panel 210. For example, the first hole H1 may be formed at a position corresponding to the center of the display panel with respect to the first direction (x direction) of the display panel 210 and close to one edge of the display panel 210 with respect to the second direction (y direction) of the display panel 210. However, the position of the first hole H1 is not limited thereto.

[0071] like Figure 2 As shown, when a plurality of holes H5 and H6 are formed in the display device 200 disposed in the fifth area A5 of the instrument panel 110, the plurality of holes H5 and H6 in the display device 200 may be formed at a position close to one edge of the display device 200. The position of at least one hole formed in the display device 200 may be designed and changed so that a user of the transportation equipment can easily use the display device 200.

[0072] Reference Figure 6, the optical module 600 may be disposed on the rear surface of the first supporting member 400. The optical module 600 may be disposed with Figure 5 For example, the optical module 600 may be disposed to overlap at least one of the display panel 210 , the front member 300 , and the first supporting member 400 .

[0073] The size of the front member 300 may be greater than the size of the display panel 210 and the size of the first support member 400. Therefore, the front member 300 may have an edge width W1 due to the difference between the size of the front member 300 and the size of each of the display panel 210 and the first support member 400. The edge width W1 of the front member may have a value greater than 0.

[0074] As the edge width W1 of the front member increases, the ratio of the image display area of ​​the display panel 210 in the display device 200 may decrease. As a result, the size of the bezel of the display device 200 may increase.

[0075] When the optical module 600 is disposed at a position close to one edge of the display panel 210, the display device 200 may require a frame having a width approximately equal to the width W2 of the optical module 600 in order to dispose the optical module 600. Therefore, the edge width W1 of the front member 300 may be approximately equal to the width W2 of the optical module 600. For example, the edge width W1 of the front member 300 may correspond to the width W2 of the optical module 600.

[0076] As in Figure 6 In the illustrated embodiment of the present disclosure, when the optical module 600 is disposed to completely overlap the display panel 210 or the first support member 400, the display device 200 may have a frame corresponding to the edge width W1 of the front member 300 regardless of the width W2 of the optical module 600. The edge width W1 of the front member 300 may be smaller than the width W2 of the optical module 600. Therefore, when the optical module 600 overlaps the display panel 210, the display device 200 may have a narrow frame.

[0077] When viewed from a top view, the optical modules 600 may be arranged to correspond to the number of holes formed in the display panel 210. Figure 2 As shown, when a plurality of holes H5 and H6 are formed in the display device 200 disposed in the fifth area A5 of the instrument panel 110 , a plurality of optical modules 600 may be disposed to correspond to the plurality of holes H5 and H6 , but embodiments of the present disclosure are not limited thereto.

[0078] The flexible film 510 may be bent to connect the display panel 210 to the printed circuit board 500. The width of the bent flexible film 510 may be smaller than the edge width W1 of the front member 300.

[0079] Figure 7 A fastening structure in a display device according to an embodiment of the present disclosure is shown.

[0080] Reference Figure 7 , showing Figure 4 A rear view of a region A of the display device 200 is shown. The display device 200 may include a second support member 700 on a rear surface of the first support member 400. The second support member 700 may be used to support the optical module 600.

[0081] The second support member 700 may be made of the same material as the first support member 400. The second support member 700 may be integrally formed with the first support member 400.

[0082] The first supporting member 400 may have a (1-2) hole 400h. The receiving member 420 may be formed around the (1-2) hole 400h. The size of the receiving member 420 may be the same as that of the (1-2) hole 400h, but is not limited thereto.

[0083] The second supporting member 700 may include a rib 410 and a receiving member 420 located around the (1-2) hole 400h.

[0084] The receiving member 420 serves to support the rib 410 coupled to the receiving member 420 and firmly fix the rib 410. The receiving member 420 may be formed at both sides of the rib 410 to fix the rib 410.

[0085] Reference Figure 7 , the rib 410 may include a first rib 410 a and a second rib 410 b .

[0086] The first rib 410a may be located on one side of the (1-2) hole 400h. The second rib 410b may be located on the other side of the (1-2) hole 400h. The first rib 410a and the second rib 410b may be formed to protrude from the rear surface of the first supporting member 400. The rib 410 may be formed around the (1-2) hole 400h or may be formed on the receiving member 420. The rib 410 may be curved and correspond to the receiving member 420 or the (1-2) hole 400h.

[0087] Although Figure 7 The second supporting member 700 is shown to include two ribs 410a and 410b, but the embodiments of the present disclosure are not limited thereto. The rib 410 may be formed to correspond to the structure of the optical module 600 coupled to the rib 410. For example, the second supporting member 700 may include at least one rib 410 and a receiving member 420 corresponding to the at least one rib 410.

[0088] The rib 410 may be integrally formed with the first support member 400. Since the rib 410 is integrally formed with the first support member 400, the second support member 700 may be more firmly coupled to the first support member 400.

[0089] Figure 8 and Fig. 9 A fastening structure for an optical module according to an embodiment of the present disclosure is shown.

[0090] Reference Figure 8 The optical module 600 may be any component that performs a function using light, and may include, for example, a camera module or a sensor, but embodiments of the present disclosure are not limited thereto.

[0091] The optical module 600 may have a fastening hole 600g. The fastening hole 600g may be provided to correspond to the rib 410. For example, the fastening hole 600g may have a shape corresponding to the shape of the rib 410. For example, the fastening hole 600g may be the same as the rib 410 in number, shape, or size.

[0092] Reference Fig. 9 , the optical module 600 may be coupled to the rib 410 through the fastening hole 600g. The rib 410 may be pressed toward the rear surface of the optical module 600. In this process, an end of the rib 410 may extend in a direction parallel to the first supporting member 400.

[0093] Fig.10 is a cross-sectional view of a display device according to an embodiment of the present disclosure.

[0094] Reference Fig.10 , the display device 200 may include a front member 300 , a display panel 210 , a first support member 400 , a rib 410 , and an optical module 600 .

[0095] The display panel 210 may be disposed between the front member 300 and the first support member 400. The first support member 400 may be formed integrally with the rib 410, but is not limited thereto. The rib 410 may include an extension 410e. The extension 410e may extend outward from the edges of the (1-1) hole 210h and the (1-2) hole 400h. For example, the rib 410 may include an extension 410e that protrudes from the rear surface of the first support member 400 and is bent and extends outward from the edges of the (1-1) hole 210h and the (1-2) hole 400h. Since the rib 410 includes the extension 410e, the optical module 600 may be more firmly coupled to the display panel 210.

[0096] The center of the (1-1) hole 210h may correspond to the center of the (1-2) hole 400h. For example, when each of the (1-1) hole 210h and the (1-2) hole 400h is circular, the (1-1) hole 210h and the (1-2) hole 400h may be concentric with each other.

[0097] The display device 200 may have a (1-1) hole 210h having a width W3 and a (1-2) hole 400h having a width W4. The width W3 of the (1-1) hole 210h and the width W4 of the (1-2) hole 400h may each be referred to as a size or diameter. The width W3 of the (1-1) hole 210h and the width W4 of the (1-2) hole 400h may be the same as or different from each other.

[0098] In order to make the display device 200 have a hole size (e.g., diameter) optimized for the optical module 600, the width W3 of the (1-1) hole 210h and the width W4 of the (1-2) hole 400h may be different from each other. For example, the width W3 of the (1-1) hole 210h may be smaller than the width W4 of the (1-2) hole 400h.

[0099] Since the width W3 of the (1-1) hole 210h is smaller than the width W4 of the (1-2) hole 400h, the user can maximize the area of ​​the display panel 210 displaying the image in the display device 200 of a limited size.

[0100] The optical module 600 may include a lower portion 600a and an upper portion 600b. The upper portion 600b may include regions corresponding to the (1-1) hole 210h and the (1-2) hole 400h.

[0101] The upper portion 600b may have a width W5. The width W5 of the upper portion 600b may be smaller than the width W3 of the (1-1) hole 210h. When the display device 200 is applied to various applications, the optical module 600 combined with the display panel 210 through the rib 410 may shake. For example, since the transport device may be exposed to a more diverse environment than when the display device 200 is applied to other applications, it may be required to have higher reliability.

[0102] Therefore, when the width W5 of the upper portion 600 b is smaller than the (1-1) hole 210 h , a collision between the optical module 600 and the display panel 210 that may occur when the display device 200 moves may be prevented or at least reduced.

[0103] although Fig.10 One optical module 600 is shown disposed on the rear surface of the display panel 210, but the embodiment of the present invention is not limited thereto. For example, the display panel 210 may include a first hole and a second hole different from the first hole, the first hole including a (1-1) hole 210h and a (1-2) hole 400h.

[0104] Fig.11 is a cross-sectional view of a display area in a display device according to an embodiment of the present disclosure.

[0105] Reference Fig.11 , the display device may include a substrate 20. The substrate 20 may be formed to span a display area of ​​the display panel and a non-display area adjacent to the display area, and may be used to support and protect components of the display device. The substrate 20 may be made of glass or a flexible material such as polyimide, but the embodiments of the present disclosure are not limited thereto. A plurality of substrates 20 may be included, and a dielectric layer may be formed between the plurality of substrates 20.

[0106] The buffer layer 21 may be formed on the substrate 20 to protect various components of the display device from the penetration of water and hydrogen from outside the substrate 20. The buffer layer 21 may be used to enhance the adhesion between the layer formed on the buffer layer 21 and the substrate 20 and block various types of defects such as alkaline components leaked from the substrate 20. The buffer layer 21 may be used to prevent or delay the diffusion of water or oxygen that has penetrated through the substrate 20.

[0107] The buffer layer 21 may be made of silicon oxide (SiO x ), silicon nitride (SiN x ), silicon nitride oxide (SiN x O x ) etc., but the embodiments of the present disclosure are not limited thereto.

[0108] A thin film transistor 30 including an active layer 31 , a gate electrode 33 , a source electrode 32 s , and a drain electrode 32 d may be disposed on the buffer layer 21 .

[0109] although Fig.11 Only a driving thin film transistor among various thin film transistors that may be included in the display device 200 is shown, but other thin film transistors such as a switching thin film transistor may also be included in the display device 200 .

[0110] An active layer 31 may be provided on the buffer layer 21. The active layer 31 may be formed of amorphous silicon, or polycrystalline silicon that may be applied to a driving thin film transistor in a pixel due to its better mobility, lower energy consumption, and higher reliability than amorphous silicon, or an oxide semiconductor such as zinc oxide (ZnO) or indium gallium zinc oxide (IGZO) having excellent mobility and uniformity characteristics, but the embodiments of the present disclosure are not limited thereto. When the active layer is formed of an oxide semiconductor, it has an excellent effect of blocking leakage current, so that the brightness variation of the sub-pixel during low-speed driving can be minimized.

[0111] A first dielectric layer 22 may be disposed on the active layer 31. The first dielectric layer 22 may be used to insulate the active layer 31 from the gate 33. The first dielectric layer 22 may be made of a material such as silicon oxide (SiO x ), silicon nitride (SiN x ) or silicon oxynitride (SiN x O x ) or may be formed of an organic dielectric material, etc., but is not limited thereto.

[0112] The gate electrode 33 may be disposed on the first dielectric layer 22. The gate electrode 33 may be disposed to overlap the active layer 31.

[0113] The gate 33 may be composed of a single layer or multiple layers formed of any one of molybdenum (Mo), copper (Cu), titanium (Ti), aluminum (Al), chromium (Cr), gold (Au), nickel (Ni), neodymium (Nd) and tungsten (W) or alloys thereof, but is not limited thereto.

[0114] A second dielectric layer 23 may be disposed on the gate 33. The second dielectric layer 23 may be made of, for example, silicon oxide (SiO x ), silicon nitride (SiN x ) or silicon oxynitride (SiN x O x ) or may be formed of an organic dielectric material, etc., but is not limited thereto.

[0115] The source electrode 32s and the drain electrode 32d may be disposed on the second dielectric layer 23. The source electrode 32s and the drain electrode 32d may be electrically connected to the active layer 31 via the first dielectric layer 22 and the second dielectric layer 23.

[0116] The source electrode 32s and the drain electrode 32d may each be composed of a single layer or multiple layers formed of any one of molybdenum (Mo), copper (Cu), titanium (Ti), aluminum (Al), chromium (Cr), gold (Au), nickel (Ni), and neodymium (Nd) or an alloy thereof, but are not limited thereto. For example, the source electrode 32s and the drain electrode 32d may each be composed of a three-layer structure of titanium (Ti) / aluminum (Al) / titanium (Ti) as a conductive metal, but are not limited thereto.

[0117] A third dielectric layer 24 may be formed on the thin film transistor 30. The third dielectric layer 24 may be used to protect the thin film transistor 30. The third dielectric layer 24 may be made of a material such as silicon oxide (SiO x ), silicon nitride (SiN x ) or silicon oxynitride (SiN x O x ) or may be formed of an organic dielectric material, etc., but is not limited thereto.

[0118] A first protective layer 50 may be formed on the third dielectric layer 24. The first protective layer 50 may be formed of at least one of an organic dielectric material such as an acrylic resin, an epoxy resin, a phenolic resin, a polyamide resin, or a polyimide resin, but is not limited thereto. For example, the first protective layer 50 may be a planarization layer or a dielectric layer, but the embodiments of the present disclosure are not limited thereto. A connecting electrode 40 may be formed on the first protective layer 50. The connecting electrode 40 may be used to electrically connect the organic light emitting element 70 to the thin film transistor 30. The connecting electrode 40 may be electrically connected to the thin film transistor 30 via the third dielectric layer 24 and the first protective layer 50. For example, the connecting electrode 40 may be electrically connected to the drain 32d of the thin film transistor 30 via the third dielectric layer 24 and the first protective layer 50. The first metal layer 45 may be formed on the same layer as the connecting electrode 40.

[0119] The second protective layer 60 may be formed on the first protective layer 50. The connection electrode 40 may be formed between the first protective layer 50 and the second protective layer 60.

[0120] The second protective layer 50 may be formed of at least one of organic dielectric materials such as acrylic resin, epoxy resin, phenolic resin, polyamide resin or polyimide resin, but is not limited thereto. For example, the second protective layer 60 may be a planarization layer or a dielectric layer, but the embodiments of the present disclosure are not limited thereto.

[0121] When the first protection layer 50 and the second protection layer 60 are formed of a dielectric material, capacitance may be formed between metal layers.

[0122] An organic light emitting element 70 including a first electrode 71 , a light emitting layer 72 , and a second electrode 73 may be disposed on the second protective layer 60 .

[0123] The first electrode 71 may be disposed on the second protective layer 60 .

[0124] The first electrode 71 serves to supply holes to the light emitting layer 72 and may be formed of a conductive material having a high work function.

[0125] When the display device is a top-emitting display device, the first electrode 71 may be a reflective electrode that reflects light and may be formed of an opaque conductive material. The first electrode 71 may be formed of at least one of silver (Ag), aluminum (Al), gold (Au), molybdenum (Mo), tungsten (W), chromium (Cr), or an alloy thereof, or may be composed of a three-layer structure of silver (Ag) / palladium (Pd) / copper (Cu), but is not limited thereto.

[0126] When the display device is a bottom emission type display device, the first electrode 71 may be formed of a light-transmitting transparent conductive material. The first electrode 71 may be formed of at least one of indium tin oxide (ITO) and indium zinc oxide (IZO), but the embodiments of the present disclosure are not limited thereto.

[0127] The second metal layer 75 may be formed on the same layer as the first electrode 71. The second metal layer 75 may be formed to overlap the first metal layer 45.

[0128] The bank 80 may be provided in a partial region on the first electrode 71 and a partial region on the second protective layer 60 .

[0129] The bank 80 may divide a single pixel into a plurality of sub-pixels and may be used to minimize glare and prevent light mixing at various viewing angles.

[0130] The bank 80 may have a bank hole disposed in a region other than the light emitting region and exposing the first electrode 71 .

[0131] The bank 80 may be made of, for example, silicon nitride (SiN x ) or silicon oxide (SiO x ) or at least one of an inorganic dielectric material such as an acrylic resin, an epoxy resin, a phenolic resin, a polyamide resin, or a polyimide resin, but is not limited thereto.

[0132] A spacer 95 may be further disposed on the bank 80. The spacer 95 may serve to minimize damage to the display device 200 by an external impact.

[0133] A light emitting layer 72 may be disposed on the first electrode 71. The light emitting layer 72 may be formed of an organic material to emit light of a specific color. The light emitting layer 72 may be composed of at least one of a red organic light emitting layer, a green organic light emitting layer, a blue organic light emitting layer, and a white organic light emitting layer. A color filter may be further disposed on the organic light emitting element 70.

[0134] The second electrode 73 may be provided on the light emitting layer 72. The second electrode 73 serves to supply electrons to the light emitting layer 72, and may be formed of a conductive material having a low work function.

[0135] When the display device 200 is a top emission type display device, the second electrode 73 may be formed of a light-transmitting transparent conductive material. The second electrode 73 may be formed of at least one of indium tin oxide (ITO) and indium zinc oxide (IZO), but is not limited thereto.

[0136] When the display device is a bottom-emitting type display device, the second electrode 73 may be a reflective electrode that reflects light and may be formed of an opaque conductive material. The second electrode 73 may be formed of at least one of silver (Ag), aluminum (Al), gold (Au), molybdenum (Mo), tungsten (W), chromium (Cr), or an alloy thereof.

[0137] An encapsulation part 90 may be disposed on the organic light emitting element 70. The encapsulation part 90 may include a first encapsulation layer 91, a second encapsulation layer 92, and a third encapsulation layer 93, but the number of the encapsulation layers is not limited to the contents of the present disclosure.

[0138] The encapsulation part 90 may serve to block the penetration of water or oxygen, and may be formed to cross the display area and the non-display area.

[0139] The first encapsulation layer 91 and the third encapsulation layer 93 may each be selected from silicon nitride (SiN x ), silicon oxide (SiO x ) or aluminum oxide (Al y O z ), but the embodiments of the present disclosure are not limited thereto.

[0140] The second encapsulation layer 92 may cover foreign matter or particles that may appear during the manufacturing process.

[0141] The second encapsulation layer 92 may be made of, for example, silicon oxycarbide (SiOC z ), epoxy resin, polyimide or polyethylene polymer, but is not limited thereto.

[0142] Fig.12 The structure of an organic light emitting element in a display device according to an embodiment of the present disclosure is shown.

[0143] Reference Fig.12 , the display device may include an organic light emitting element 70 .

[0144] The organic light emitting element 70 may include a first electrode (anode) 71 formed on a substrate in which a red sub-pixel region Rp, a green sub-pixel region Gp, and a blue sub-pixel region Bp are defined, a hole injection layer (HIL) 820, a first hole transport layer (first HTL) 830, a first hole control layer (first HCL) 835, a first organic light emitting layer consisting of a first red light emitting layer (first red EML) 840, a first green light emitting layer (first green EML) 841, and a first blue light emitting layer (first blue EML) 842, a first electron transport layer ( a first organic light-emitting layer (first ETL) 850, a first charge generation layer (N-CGL) 860, a second charge generation layer (P-CGL) 865, a second hole transport layer (second HTL) 870, a second hole control layer (second HCL) 875, a second organic light-emitting layer consisting of a second red light-emitting layer (second red EML) 880, a second green light-emitting layer (second green EML) 881, and a second blue light-emitting layer (second blue EML) 882, a second electron transport layer (second ETL) 890, a second electrode (cathode) 73, and a covering layer (CPL) 910.

[0145] In addition, the organic light-emitting element 70 according to an embodiment of the present invention may be an organic light-emitting element having a double-stacked structure, in which a first light-emitting unit (first EL unit) 1100 including a first organic light-emitting layer and a second light-emitting unit (second EL unit) 1200 including a second organic light-emitting layer are stacked between a first electrode 71 and a second electrode 73.

[0146] For example, in the organic light-emitting element 70 according to the embodiment of the present invention, the first light-emitting unit (or first light-emitting portion) 1100 includes a hole injection layer 820, a first hole transport layer 830, a first hole control layer 835, a first organic light-emitting layer consisting of a first red light-emitting layer 840, a first green light-emitting layer 841, and a first blue light-emitting layer, and a first electron transport layer 850. In the organic light-emitting element 70 according to the embodiment of the present invention, the second light-emitting unit (or second light-emitting portion) 1200 may include a second hole transport layer 870, a second hole control layer 875, a second organic light-emitting layer consisting of a second red light-emitting layer 880, a second green light-emitting layer 881, and a second blue light-emitting layer 882, and a second electron transport layer 890.

[0147] The organic light emitting element 70 according to the embodiment of the present invention may include a first charge generation layer 860 as an n-type charge generation layer and a second charge generation layer 865 as a p-type charge generation layer between the first light emitting unit 1100 and the second light emitting unit 1200 .

[0148] In a display device including an organic light emitting element according to an embodiment of the present invention, gate lines and data lines that cross each other and define each pixel region and a power line extending in parallel with either of the gate lines and the data lines are located on a substrate, and a switching thin film transistor connected to the gate lines and the data lines and a driving thin film transistor connected to the switching thin film transistor are located in each pixel region. The driving thin film transistor may be connected to a first electrode (anode) 71.

[0149] The first electrode 71 is located on the substrate and corresponds to each of the red sub-pixel region Rp, the green sub-pixel region Gp, and the blue sub-pixel region Bp, and may be composed of a reflective electrode.

[0150] For example, the first electrode 71 may include a transparent conductive material layer such as indium tin oxide (ITO) having a high work function and a reflective material layer such as silver (Ag) or a silver (Ag) alloy, but the embodiments of the present disclosure are not limited thereto.

[0151] The hole injection layer 820 may be located on the first electrode 810 and correspond to all of the red sub-pixel region Rp, the green sub-pixel region Gp, and the blue sub-pixel region Bp.

[0152] The hole injection layer 820 can be used to promote hole injection and can be formed of any one or more of 1,4,5,8,9,11-hexaazatriphenylhexanitrile (HATCN), copper phthalocyanine (CuPc), poly (3,4) ethylenedioxythiophene (PEDOT) and N,N-dinaphthyl-N,N′-diphenylbenzidine (NPD), but is not limited thereto.

[0153] The first hole transport layer 830 and the second hole transport layer 870 are each formed to correspond to all of the red sub-pixel region Rp, the green sub-pixel region Gp, and the blue sub-pixel region Bp. The first hole transport layer 830 may be located on the hole injection layer 820, and the second hole transport layer 870 may be located on the second charge generation layer 865.

[0154] The first hole transport layer 830 and the second hole transport layer 870 are used to promote hole transport and can be formed of any one or more of N,N-dinaphthyl-N,N′-diphenylbenzidine (NPD), N,N′-bis-(3-methylphenyl)-N,N′-bis-(phenyl)-benzidine (TPD), s-TAD and 4,4′,4″-tris(N-3-methylphenyl-N-phenyl-amino)-triphenylamine (MTDATA), but are not limited thereto.

[0155] In the organic light emitting element 70 according to the embodiment of the present disclosure, the first hole control layer 835 may be located on the first hole transport layer 830 and correspond to all of the red sub-pixel regions Rp, the green sub-pixel regions Gp, and the blue sub-pixel regions Bp.

[0156] The second hole control layer 875 may be located on the second hole transport layer 870 and correspond to all of the red sub-pixel regions Rp, the green sub-pixel regions Gp, and the blue sub-pixel regions Bp.

[0157] At high temperatures, holes have a higher mobility than electrons. The first hole control layer 835 and the second hole control layer 875 can prevent holes from leaving the light-emitting region by moving to the first electron transport layer 850 and the second electron transport layer 890 via the first organic light-emitting layer composed of the first red light-emitting layer 840, the first green light-emitting layer 841 and the first blue light-emitting layer 842 and the second organic light-emitting layer composed of the second red light-emitting layer 880, the second green light-emitting layer 881 and the second blue light-emitting layer 882, and the light-emitting region is the region where electrons and holes recombine to emit light. The first hole control layer 835 and the second hole control layer 875 can each be formed of a material such as a carbazole derivative, a triarylamine derivative or a triamine derivative. For example, the first hole control layer 835 and the second hole control layer 875 can each be formed by any one or more of N,N′-bis(3-methylphenyl)-N,N′-bis(phenyl)-benzidine (TPD), bis[N-(1-naphthyl)-N-phenyl]benzidine (α-NPB), 1,3,5-tri(4-diphenylaminophenyl)benzene (TDAPB), tri(4-carbazol-9-yl)triphenylamine (TCTA), spiro-TAD (2,2′,7,7′-tetrakis(N,N-diphenylamino)-9,9-spirobifluorene, 4,4′-bis(carbazol-9-yl)biphenyl (CBP), 4-[bis(9,9-dimethylfluorene-2-yl)amino]phenyl (BFA-1T), spiro-TCBz (triclabendazole) and TBA, but are not limited thereto.

[0158] Considering the mobility of holes in the first light emitting unit 1100 and the second light emitting unit 1200 , the first hole control layer 835 and the second hole control layer 875 may be formed of the same material selected from the above materials, or may be formed of different materials selected from the above materials.

[0159] The first red light emitting layer 840 may be located in the red sub-pixel region Rp on the first hole transport layer 830, and the second red light emitting layer 880 may also be located in the red sub-pixel region Rp on the second hole transport layer 870. The first red light emitting layer 840 and the second red light emitting layer 880 may each include a light emitting material that emits red light, wherein the light emitting material may be formed using a phosphorescent material or a fluorescent material.

[0160] For example, the first red light emitting layer 840 and the second red light emitting layer 880 may each include a host material including 4,4′-bis(carbazol-9-yl)biphenyl (CBP) or 1,3-bis(N-carbazolyl)benzene (mCP), and may each be formed of a phosphorescent material including a dopant, the dopant including any one or more of bis(1-phenylquinoline)iridium acetylacetonate (PQIr(acac)), tris(1-phenylquinoline)iridium (PQIr), and platinum octaethylporphyrin (PtOEP). Alternatively, the first red light emitting layer 840 and the second red light emitting layer 880 may each be formed of a fluorescent material including PBD:Eu(DBM)3(Phen) or pyrene, but are not limited thereto.

[0161] The first green light emitting layer 841 may be located in the green sub-pixel region Gp on the first hole transport layer 830, and the second green light emitting layer 881 may also be located in the green sub-pixel region Gp on the second hole transport layer 870. The first green light emitting layer 841 and the second green light emitting layer 881 may each include a light emitting material that emits green light, wherein the light emitting material may be formed using a phosphorescent material or a fluorescent material.

[0162] For example, the first green light-emitting layer 841 and the second green light-emitting layer 881 may each include a host material including CBP or mCP, and may each be formed of a phosphorescent material including a dopant material, such as an iridium (Ir) complex including tris(2-phenylpyridine)iridium (Ir(ppy)3(fac). Alternatively, the first green light-emitting layer 841 and the second green light-emitting layer 881 may each be formed of a fluorescent material including tris(8-hydroxyquinolyl)aluminum (Alq3), but is not limited thereto.

[0163] The first blue light emitting layer 842 may be located in the blue sub-pixel region Bp on the first hole transport layer 830, and the second blue light emitting layer 882 may also be located in the blue sub-pixel region Bp on the second hole transport layer 870. The first blue light emitting layer 842 and the second blue light emitting layer 882 may each include a light emitting material that emits blue light, wherein the light emitting material may be formed using a phosphorescent material or a fluorescent material.

[0164] For example, the first blue light-emitting layer 842 and the second blue light-emitting layer 882 may each include a matrix material including CBP or mCP, and may each be formed of a phosphorescent material containing a dopant material including (4,6-F2ppy)2Irpic, but the embodiments of the present disclosure are not limited thereto. In addition, the first blue light-emitting layer 842 and the second blue light-emitting layer 882 may each be formed of a fluorescent material including any one of spiro-DPVBi, spiro-6P, a distyryl derivative (DSB), a distyryl derivative (DSA), a PFO-based polymer, and a PPV-based polymer, but are not limited thereto.

[0165] The first electron transport layer 850 may be located on the first red light emitting layer 840, the first green light emitting layer 841, and the first blue light emitting layer 842, and corresponds to all red sub-pixel regions Rp, green sub-pixel regions Gp, and blue sub-pixel regions Bp. The second electron transport layer 890 may be located on the second red light emitting layer 880, the second green light emitting layer 881, and the second blue light emitting layer 882, and corresponds to all red sub-pixel regions Rp, green sub-pixel regions Gp, and blue sub-pixel regions Bp.

[0166] The first electron transport layer 850 and the second electron transport layer 890 may transport and inject electrons, and the thickness of each of the first electron transport layer 850 and the second electron transport layer 890 may be determined in consideration of the electron transport characteristics thereof.

[0167] The first electron transport layer 850 and the second electron transport layer 890 can be used to promote electron transport, and can each be formed by any one or more of tris(8-hydroxyquinolyl)aluminum (Alq3), 2-(4-biphenyl)-5-(4-tert-butylphenyl)-1,3,4-oxadiazole (PBD), TAZ, spiro-PBD, BAlq and SAlq, but are not limited thereto.

[0168] An electron injection layer (EIL) may be additionally disposed on the second electron transport layer 890 .

[0169] The electron injection layer (EIL) may be formed of tris(8-hydroxyquinolyl)aluminum (Alq3), 2-(4-biphenyl)-5-(4-tert-butylphenyl)-1,3,4-oxadiazole (PBD), TAZ, spiro-PBD, BAlq or SAlq, but is not limited thereto.

[0170] Here, according to an embodiment of the present disclosure, the structure is not limited, and at least any one of the hole injection layer 820, the first hole transport layer 830, the second hole transport layer 870, the first electron transport layer 850, the second electron transport layer 890, and the electron injection layer (EIL) may be omitted. In addition, at least any one of two of the first hole transport layer 830, the second hole transport layer 870, the first electron transport layer 850, the second electron transport layer 890, and the electron injection layer (EIL) may also be composed of more than two layers.

[0171] The first charge generation layer 860 may be located on the first electron transport layer 850 and may correspond to all of the red sub-pixel regions Rp, the green sub-pixel regions Gp, and the blue sub-pixel regions Bp. The second charge generation layer 865 may be located on the first charge generation layer 860 and may correspond to all of the red sub-pixel regions Rp, the green sub-pixel regions Gp, and the blue sub-pixel regions Bp. The first charge generation layer 860 and the second charge generation layer 865 may have an NP junction structure.

[0172] Reference Fig.12 The first charge generation layer 860 and the second charge generation layer 865 may be located between the first light emitting unit 1100 and the second light emitting unit 1200. The first charge generation layer 860 and the second charge generation layer 865 may control the charge balance between the two light emitting units (ie, the first light emitting unit 1100 and the second light emitting unit 1200).

[0173] The first charge generation layer 860 may function as an n-type charge generation layer (n-CGL) that assists electron injection into the first light emitting unit 1100 located below the first charge generation layer 860. The second charge generation layer 865 may function as a p-type charge generation layer (p-CGL) that assists electron injection into the second light emitting unit 1200 located above the second charge generation layer 865.

[0174] For example, the first charge generation layer 860 as an n-type charge generation layer (n-CGL) for injecting electrons may be formed of an alkali metal, an alkali metal compound, or an organic material or compound thereof for injecting electrons. In addition, the matrix material of the first charge generation layer 860 may be composed of the same material as that of each of the first electron transport layer 850 and the second electron transport layer 890. For example, it may be composed of a mixed layer in which an organic material such as an anthracene derivative is doped with a dopant such as lithium (Li), but is not limited thereto.

[0175] The second charge generation layer 865 is located on the first charge generation layer 860. The second charge generation layer 865 is used as a p-type charge generation layer (p-CGL) for injecting holes, and the matrix material of the second charge generation layer 865 may be composed of the same material as that of each of the first hole injection layer 820, the first hole transport layer 830, and the second hole transport layer 870. For example, it may be composed of a mixed layer in which an organic material such as 1,4,5,8,9,11-hexaazatriphenylhexanitrile (HATCN), copper phthalocyanine (CuPc), or tris (4-bromophenyl) aluminum hexachloroantimonate (TBAHA) is doped with a p-type dopant, but is not limited thereto. Here, the p-type dopant may be composed of any one of F4-TCNQ and NDP-9, but is not limited thereto.

[0176] The second electrode 73 is located on the second electron transport layer 890 and corresponds to all the red sub-pixel regions Rp, the green sub-pixel regions Gp, and the blue sub-pixel regions (Bp). For example, the second electrode 73 may be formed of an alloy of magnesium and silver (Mg:Ag) and may have a semi-transmissive reflective property. For example, light emitted from the organic light emitting layer is emitted to the outside through the second electrode 73, and since the second electrode 73 has a semi-transmissive reflective property, part of the light is guided back to the first electrode 71.

[0177] Therefore, due to a microcavity effect in which repeated reflection occurs between the first electrode 71 and the second electrode 73 serving as a reflective layer, light is repeatedly reflected in the cavity between the first electrode 71 and the second electrode 73 , thereby improving light efficiency.

[0178] In addition, the first electrode 71 may be composed of a transparent electrode, and the second electrode 73 may be composed of a reflective electrode, so that light from the organic light emitting layer can be emitted to the outside through the first electrode 71 .

[0179] The covering layer 910 is located on the second electrode 73. The covering layer 910 can be used to improve the light extraction effect in the organic light-emitting element. The covering layer 910 can be composed of any one of the materials of the first hole transport layer 830, the second hole transport layer 870, the first electron transport layer 850, the second electron transport layer 890, and the first red light-emitting layer 840, the second red light-emitting layer 880, the first green light-emitting layer 841, the second green light-emitting layer 881, the first blue light-emitting layer 842, and the second blue light-emitting layer 882, but the embodiments of the present disclosure are not limited thereto. In addition, the covering layer 910 can be omitted.

[0180] A display device according to one or more embodiments of the present disclosure may be described as follows.

[0181] A display device according to an embodiment of the present disclosure may include: a display panel configured to display an image; a front member on a front surface of the display panel; a first supporting member on a rear surface of the display panel; and a second supporting member on a rear surface of the first supporting member. The display panel and the first supporting member may have a first hole.

[0182] According to one or more embodiments of the present disclosure, the display device further includes: an optical module located on a rear surface of the first supporting member, and the optical module may be disposed to overlap the first hole.

[0183] According to one or more embodiments of the present disclosure, an edge width of the front member may be smaller than a width of the optical module.

[0184] According to one or more embodiments of the present disclosure, the optical module may include a camera module or a sensor.

[0185] According to one or more embodiments of the present disclosure, the second supporting member may include a rib protruding from a rear surface of the first supporting member. The rib may be located around the first hole of the first supporting member.

[0186] According to one or more embodiments of the present disclosure, the rib may be integrally formed with the first supporting member.

[0187] According to one or more embodiments of the present disclosure, the rib may include a first rib located at one side of the first hole and a second rib located at the other side of the first hole.

[0188] According to one or more embodiments of the present disclosure, the rib may include an extension protruding from a rear surface of the first support member and bent outward from the first hole.

[0189] According to one or more embodiments of the present disclosure, the optical module may include a fastening hole corresponding to the rib.

[0190] According to one or more embodiments of the present disclosure, the optical module may be coupled to the rib through the fastening hole.

[0191] According to one or more embodiments of the present disclosure, the display panel and the first supporting member may further have a second hole different from the first hole.

[0192] According to one or more embodiments of the present disclosure, a display device may be provided in a dashboard of a transportation device.

[0193] According to one or more embodiments of the present disclosure, a dashboard may include a first area and a second area different from the first area.

[0194] According to one or more embodiments of the present disclosure, the first hole may include a (1-1) hole and a (1-2) hole, wherein the (1-1) hole and the (1-2) hole may correspond to each other and may have the same or different sizes.

[0195] According to one or more embodiments of the present disclosure, the second support member may be made of the same material as the first support member.

[0196] According to one or more embodiments of the present disclosure, the second supporting member may further include a receiving portion supporting the rib.

[0197] According to one or more embodiments of the present disclosure, a width of a region of the optical module corresponding to the first hole may be smaller than a width of the first hole.

[0198] According to one or more embodiments of the present disclosure, a transportation device may include a display device within an interior space of the vehicle.

[0199] According to one or more embodiments of the present disclosure, the interior space may include a first area corresponding to a driver's seat and a second area corresponding to a passenger seat.

[0200] According to one or more embodiments of the present disclosure, a size of the first region and a size of the second region may be different from each other.

[0201] According to one or more embodiments of the present disclosure, the internal space may further include a third area between the first area and the second area.

[0202] According to one or more embodiments of the present disclosure, the interior space may further include a fourth area located on a rear surface of a headrest of any one of the driver seat and the passenger seat.

[0203] According to one or more embodiments of the present disclosure, a size of the first region or the second region may be different from a size of the third region.

[0204] Although example embodiments of the present disclosure have been described in more detail with reference to the accompanying drawings, the present disclosure is not necessarily limited to these embodiments and may be implemented in many different forms without departing from the technical concept of the present disclosure.

[0205] Therefore, the exemplary embodiments of the present disclosure are provided for illustrative purposes only and are not intended to limit the technical concepts of the present disclosure, and the scope of the technical concepts of the present disclosure is not limited by these embodiments. Therefore, it should be understood that the above exemplary embodiments are illustrative in all aspects and do not limit the present disclosure. The scope of protection of the present disclosure should be interpreted according to the attached claims, and all technical concepts within the scope equivalent thereto should be interpreted as included within the scope of the rights of the present disclosure.

Claims

1. A display device, comprising: a display panel configured to display an image; A front member, disposed on the front surface of the display panel; a first supporting member, on the rear surface of the display panel; as well as a second supporting member, on a rear surface of the first supporting member, Wherein, the display panel and the first supporting member have a first hole.

2. The display device according to claim 1, further comprising: An optical module is located on the rear surface of the first supporting member, and the optical module is arranged to overlap with the first hole.

3. The display device according to claim 2, wherein: The edge width of the front member is smaller than the width of the optical module.

4. The display device according to claim 2, wherein: The optical module includes a camera module or a sensor.

5. The display device according to claim 2, wherein: the second supporting member comprising a rib protruding from the rear surface of the first supporting member, Wherein, the rib is located around the first hole of the first supporting member.

6. The display device according to claim 5, wherein: The rib is integrally formed with the first support member.

7. The display device according to claim 5, wherein: The ribs include a first rib located on one side of the first hole and a second rib located on the other side of the first hole.

8. The display device according to claim 7, wherein: The rib includes an extension portion that protrudes from the rear surface of the first supporting member and is bent outward from the first hole.

9. The display device according to claim 5, wherein: The optical module includes a fastening hole corresponding to the rib.

10. The display device according to claim 9, wherein: The optical module is coupled to the rib through the fastening hole.

11. The display device according to claim 1, wherein: The display panel and the first supporting member also have a second hole, which is different from the first hole.

12. The display device according to claim 1, wherein: The display device is installed in a dashboard of the transportation equipment.

13. The display device according to claim 12, wherein: The instrument panel includes a first area and a second area, the second area being different from the first area.

14. The display device according to claim 1, wherein: The first holes include a (1-1) hole in the display panel and a (1-2) hole in the first supporting member, wherein the (1-1) hole and the (1-2) hole correspond to each other and have the same or different sizes.

15. The display device according to claim 1, wherein: The second supporting member is made of the same material as the first supporting member.

16. The display device according to claim 5, wherein: The second supporting member further includes a receiving portion supporting the rib.

17. The display device according to claim 2, wherein: A width of a region of the optical module corresponding to the first hole is smaller than a width of the first hole.

18. A transport device comprising: Internal space; as well as The display device of any one of claims 1 to 17, wherein the display device is in the internal space.

19. The transport device according to claim 18, wherein: The interior space includes a first area corresponding to a driver's seat and a second area corresponding to a passenger seat.

20. The transport device according to claim 19, wherein: The first region and the second region have different sizes.

21. The transport device according to claim 19, wherein: The interior space also includes a third area between the first area and the second area.

22. The transport device according to claim 21, wherein: The interior space also includes a fourth area located on a rear surface of a headrest of any one of the driver seat and the passenger seat.

23. The transport device according to claim 21, wherein: A size of at least either one of the first region and the second region is different from a size of the third region.

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